Re: Low Performance of full scan.

Posted by xuchuanyin on Sep 20, 2018; 2:27pm
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/Low-Performance-of-full-scan-tp62859p62930.html

If this property is configurable, how do you want to use it?

Does the changing of this property benefit all your queries? If it doesn’t. A system property may be bad to meet all the queries. Then how about a hint for this property?

> On Sep 20, 2018, at 00:02, xm_zzc <[hidden email]> wrote:
>
> 3. Can it support to configurate the size of CarbonVectorProxy to
> reduce times of iterate? Default value is 4 * 1024 and iterate executes
> 11616 times.